Vocabulary Volcano: A weak spot in the crust where molten magma comes up to the surface Magma: A molten mixture of rock forming substances,gases,and water from the mantle. Lava: When magma reaches the surface. Island arc: When the resulting of volcanoes form a string of islands. hot spot: An area where magma from deep in the mantle melts through the crust.
Notes 3.1 Volanoes and plate tectonics
Vocabulary
Volcano: A weak spot in the crust where molten magma comes up to the surface
Magma: A molten mixture of rock forming substances,gases,and water from the mantle.
Lava: When magma reaches the surface.
Island arc: When the resulting of volcanoes form a string of islands.
hot spot: An area where magma from deep in the mantle melts through the crust.